v2.4.0.8
Accrued Liabilities, Including Other Liabilities (Detail) (USD $)
In Thousands, unless otherwise specified
Apr. 30, 2014
Apr. 30, 2013
Accrued Expenses And Current Liabilities [Line Items]    
Accrued compensation $ 11,834 $ 9,488
Accrued taxes 4,808 5,513
Accrued other liabilities 10,429 14,958
Accrued expenses and other current liabilities $ 27,071 $ 29,959